著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Sekkat, Khalid and Longo, Roberto and Organisation for Economic Co-operation and Development. Development Centre",Obstacles to expanding intra-African trade,,Organisation for Economic Co-operation and Development,2001,Technical papers,,,,https://cir.nii.ac.jp/crid/1130282272195927040